CN207735709U - A kind of nut tap - Google Patents
A kind of nut tap Download PDFInfo
- Publication number
- CN207735709U CN207735709U CN201820054233.3U CN201820054233U CN207735709U CN 207735709 U CN207735709 U CN 207735709U CN 201820054233 U CN201820054233 U CN 201820054233U CN 207735709 U CN207735709 U CN 207735709U
- Authority
- CN
- China
- Prior art keywords
- oil
- tooth bar
- nut
- screw tap
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of nut taps, including fixed link and screw tap tooth bar, it is characterised in that：Pass through bar sliding slot inside fixed link, cylinder contains oil pocket and is inserted with L-shaped elevating lever respectively, plunger block, L-shaped elevating lever is fixedly connected with plunger block, the outside of screw tap tooth bar is equipped with screw thread cutting blade, screw tap tooth bar is internally provided with main oily channel and divides oil-hole groove, divide oilhole trench bottom that anti-oil leakage device is installed, nut Working position can be injected by lubricating oil or cutting fluid by pushing down on L-shaped elevating lever, it is easily quick, the cutting blade of screw tap is hardly damaged, long lifespan, it is more reliable and more stable to process screw thread, oil-hole groove is divided to be evenly distributed in screw tap tooth bar, when noting cutting fluid, cutting liquid energy easily reaches each position of nut processing, make more to lubricate inside nut, screw thread process is lighter, and tooth bar heating position has obtained cooling, tooth bar is not easy to break, nut it is high in machining efficiency.
Description
Technical field
The utility model is related to screw tap field, specially a kind of nut tap.
Background technology
Screw tap also makes screw tap, a kind of cutter of machining internal thread be provided with groove in an axial direction, is also tap, screw tap according to
Its shape is divided into straight slot screw tap, spiral fluted tap and spiral pointed tap（Apex screw tap）.Straight slot screw tap handling ease, precision is slightly lower,
Yield screw tap is larger, is generally used for the screw thread process use of center lathe, drilling machine and tapping machine, and cutting speed is slower.Helicla flute silk
Cone is chiefly used in numerical control machining center drilling blind hole use, and process velocity is very fast, and precision is high, and chip removal is preferable, good to neutrality.Before spiral pointed tap
There is chip pocket in portion, is used for the processing of through-hole.The screw tap that tools factory provides mostly is coated taps, and the longevity is used compared with non-coated taps
Life and cutting ability all improve a lot, and the screw tap cutting load distribution of not isometrical design is reasonable, and processing quality is high, but manufactures
Cost is also high.Tap for trapezoidal thread is frequently with not isometrical design.
The higher high-speed steel geared tap of the accuracy of manufacture is traditionally called machine tap by China, carbon tool steel or conjunction
The rolling tooth of golden tool steel（Or incisor）Screw tap is known as set tap, and the structure and nut tap operation principle of actually the two are basic
It is identical.In general, screw tap is made of working portion and shank, working portion is divided into cutting tip and calibrated section, the former grinds and cuts
Cone is cut, undertakes cutwork, the latter is calibrating the size and shape of screw thread.
But existing nut tap has the following defects：
（1）When processing nut, many clasts are will produce in screw tap, clast is not easy oneself and ejects, thus with screw thread silk
Friction is generated, the cutting blade of screw tap is made to damage；
（2）Present screw tap often needs to stop to add when carrying out tapping to nut due to lubricating not enough
Add lubricating oil or cutting fluid, using oil gun by lubricating oil drop on nut or screw tap tooth bar on to make lubricating oil automatically flow into,
Lubricating oil not only enters uneven in this way, and enters slowly, and lubricant effect is undesirable, when often screw hole depth is larger, lubricating oil
The position processed cannot be reached, to give screw tap tooth portion with cooling and lubrication, tooth bar frangibility, to make in time
Tooth bar is stuck in nut, and unprocessed nut is also scrapped, and production efficiency is low, increases being replaced with for nut raw material and screw tap
This.
Invention content
In order to overcome the shortcomings of that prior art, the utility model provide a kind of nut tap, screw tap produces when processing
Raw clast can enter in chip pocket, will not be impacted to the processing of screw thread, and push down on L-shaped elevating lever can to lubricate
Oil or cutting fluid inject nut Working position, and oiling is easily quick, and the cutting blade of screw tap is hardly damaged, long lifespan, and processing screw thread is more
Add reliable and stable, oil-hole groove is divided to be evenly distributed in screw tap tooth bar, when noting cutting fluid, cutting liquid energy easily reaches spiral shell
Each position of cap processing, makes more to lubricate inside nut, screw thread process is lighter, and tooth bar heating position has obtained cooling, tooth
Bar is not easy to break, nut it is high in machining efficiency, can effectively solve the problem that background technology propose the problem of.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of nut tap, including fixed link and screw tap tooth bar, it is characterised in that：Be equipped in the fixed link bar sliding slot and
Cylinder below bar sliding slot contains oil pocket, and the bar sliding slot and cylinder are contained in oil pocket is inserted with L-shaped elevating lever and cylinder respectively
Piston block, L-shaped elevating lever bottom are fixedly connected with plunger block；
The screw tap tooth bar is mounted on the underface of fixed link, and the outside of the screw tap tooth bar is equipped with several screw thread cutting blades,
Axially inside be equipped with and the cylinder of the screw tap tooth bar contain the main oily channel that oil pocket is connected, the main oily channel side connection
There are a several points of oil-hole grooves, in the gap for dividing oil-hole groove bottom end opening between screw thread cutting blade and the bottom of oil-hole groove is divided to pacify
Equipped with anti-oil leakage device.
Further, the fixed link top side is equipped with several fixing grooves.
Further, the cylinder contains oil pocket side and is connected with inclination oil dripping hole.
Further, the screw thread cutting blade in the outside of screw tap tooth bar at column distribution, between the screw thread cutting blades of adjacent two row
Screw tap tooth bar side be equipped with chip pocket.
Further, the anti-oil leakage device includes being hinged on a point sealing cover for oil-hole groove bottom end, the right side of the sealing cover
Side is connect by spring with the side of oil-hole groove is divided, and gasket is posted in the side of the sealing cover.
Compared with prior art, the utility model has the beneficial effects that：
（1）The clast that the utility model screw tap generates when processing can enter in chip pocket, will not be made to the processing of screw thread
At influence, and pushing down on L-shaped elevating lever can be by lubricating oil or cutting fluid injection nut Working position, easily quick, screw tap
Cutting blade be hardly damaged, long lifespan, processing screw thread it is more reliable and more stable；
（2）The utility model divides oil-hole groove to be evenly distributed in screw tap tooth bar, when noting cutting fluid, cuts liquid energy
The each position for easily reaching nut processing, makes more to lubricate inside nut, and tooth bar heating position has obtained cooling, tooth bar is not
Easy fracture, nut it is high in machining efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the anti-oil leakage device structural schematic diagram of the utility model.
Figure label：
1- fixed links；2- screw tap tooth bars；3- bar sliding slots；4- cylinders contain oil pocket；5-L shape elevating levers；6- plunger blocks；7-
Screw thread cutting blade；The main oily channels 8-；9- divides oil-hole groove；10- anti-oil leakage devices；11- fixing grooves；12- tilts oil dripping hole；13- holds bits
Slot；14- sealing covers；15- springs；16- gaskets.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model provides a kind of nut tap, including fixed link 1 and screw tap tooth bar 2, it is described solid
1 top side of fixed pole is equipped with several fixing grooves 11, and the top of screw tap is allow to be picked up to come by fixture, to make screw tap preferably work,
The replacement of tap holder can also be made more convenient.Cylinder in the fixed link 1 equipped with bar sliding slot 3 and positioned at 3 lower section of bar sliding slot is contained
Oil pocket 4, it is preferred that it can also be lubricating oil that the substance that cylinder contains splendid attire in oil pocket 4, which can be cutting fluid, comparatively, cut
The effect for cutting liquid is stronger, because cutting fluid can not only play the role of lubrication, moreover it is possible to the heat generated when screw tap is processed screw thread
It cools away in time, to make screw tap be not easily broken, it is safer that screw tap processes screw thread.
The cylinder, which is contained 4 side of oil pocket and is connected with, tilts oil dripping hole 12, the oil mass in cylinder contains oil pocket 4 it is inadequate when
It waits, needs internally to add oil mass, oil can be instilled and be tilted in oil dripping hole 12 using oil gun, it is more convenient, since cylinder is lived
Chock 6 can will tilt oil dripping hole 12 when being displaced to the top for containing oil pocket and spill, and facilitate oiling, nor affect on Sheng oil
The leakproofness in intracavitary portion.
The bar sliding slot 3 and cylinder are contained in oil pocket 4 is inserted with L-shaped elevating lever 5 and plunger block 6, L-shaped elevating lever respectively
5 be in inverted "L" shape, and L-shaped elevating lever 5 slides up and down in bar sliding slot 3.5 bottom of L-shaped elevating lever and plunger block 6 are solid
Fixed connection, the side of piston block 6 and the inner wall of cylinder Sheng oil pocket 4 are affixed, good airproof performance, when plunger block 6 declines, energy
It pushes lubricating oil or cutting fluid to contain oil pocket 4 from cylinder and reaches main oily channel 8, be then tapped off into each point of oil-hole groove 9.
The screw tap tooth bar 2 is mounted on the underface of fixed link 1, and the outside of the screw tap tooth bar 2 is cut equipped with several screw threads
Sword 7, the screw thread cutting blade 7 in the outside of screw tap tooth bar 2 at column distribution, the screw tap tooth bar 2 between the screw thread cutting blades 7 of adjacent two row
Side be equipped with chip pocket 13, in the internal thread for attacking nut, if clast saves bit by bit the thread groove in two screw thread cutting blades 7
It is interior, it is easy that screw thread cutting blade 7 is made to damage.The clast generated when screw thread process enters in chip pocket 13, to not influence under screw tap
Drop and rotation, clast will not grind away screw thread cutting blade 7, and to keep the internal thread machining of nut more smooth, screw tap is hardly damaged.
Axially inside be equipped with and the cylinder of the screw tap tooth bar 2 contain the main oily channel 8 that oil pocket 4 is connected, the main oil
8 side of channel is connected with several points of oil-hole grooves 9, divides oil-hole groove 9 to be obliquely installed, fluid is more easily control injected Working position.It is more
It is a that the design of oil-hole groove 9 is divided to make lubricating oil or cutting fluid to the lubrication area bigger of nut inside and screw thread cutting blade 7, evenly,
Screw thread cutting blade 7 is hardly damaged, and the service life of screw tap is greatly extended.Described point of 9 bottom end opening of oil-hole groove is located at screw thread
In gap between cutting blade 7, cutting fluid is made more easily to enter in the thread groove that nut has been processed.
As shown in Fig. 2, the bottom of oil-hole groove 9 is divided to be equipped with anti-oil leakage device 10, the anti-oil leakage device 10 includes hinged
It is connect by spring 15 with the side of oil-hole groove 9 is divided on the right side of the sealing cover 14 for dividing 9 bottom end of oil-hole groove, the sealing cover 14,
Gasket 16 is posted in the side of the sealing cover 14, when not declining in L-shaped elevating lever 5 and lubricating oil made to decline, sealing cover
14 by the pulling force of spring 15 and side is affixed with 9 inner wall of oil-hole groove is divided, and so that oil is not leaked due to the presence of gasket 16
Go out, when refueling, oil will not avoid waste, when tapping, will produce broken automatically from dividing oil-hole groove 9 to flow out
Bits, due to the protection of sealing cover 14, clast will not enter and divide oil-hole groove 14 and block oil outlet, and lubricating oil is enable smoothly to reach spiral shell
Cap inside thread working position.
The procedure of processing of screw tap is：As depicted in figs. 1 and 2, after nut being fixed up, 2 bottom end of screw tap tooth bar is fixed
Inject the inside of undressed nut, then rotate fixed link 1, the 7 circumgyration incision nut of screw thread cutting blade in screw tap tooth bar 2 it is interior
Wall, to tap out, when feeling that screw thread process effort is larger, the rotation of pause screw tap tooth bar 2 pushes down on L-shaped lifting
Bar 5, elevating lever 5 is that plunger block 6 is driven to squeeze the cutting fluid contained in oil pocket, to make the cutting fluid in point oil-hole groove 9 produce
The raw pushing force to sealing cover 14, to make sealing cover 14 generate gap, cutting fluid flows to the internal whorl slot of nut from gap
Interior, then proceeding to rotating fixing rod 1 makes 7 machining internal thread of screw thread cutting blade, and at this time due to there is the lubrication of cutting fluid, the screw tap service life is more
Long, tap out is lighter.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of nut tap, including fixed link（1）With screw tap tooth bar（2）, it is characterised in that：The fixed link（1）Inside it is equipped with
Bar sliding slot（3）With positioned at bar sliding slot（3）The cylinder of lower section contains oil pocket（4）, the bar sliding slot（3）Oil pocket is contained with cylinder（4）Interior point
It is not inserted with L-shaped elevating lever（5）With plunger block（6）, the L-shaped elevating lever（5）Bottom and plunger block（6）It is fixed to connect
It connects；
The screw tap tooth bar（2）Mounted on fixed link（1）Underface, the screw tap tooth bar（2）Outside be equipped with several screw threads
Cutting blade（7）, the screw tap tooth bar（2）Axially inside be equipped with and cylinder contain oil pocket（4）The main oily channel being connected（8）, institute
State main oily channel（8）Side is connected with several points of oil-hole grooves（9）, described to divide oil-hole groove（9）Bottom end opening is located at screw thread cutting blade（7）
Between gap in and divide oil-hole groove（9）Bottom anti-oil leakage device is installed（10）.
2. a kind of nut tap according to claim 1, it is characterised in that：The fixed link（1）If top side is equipped with solid
Determine slot（11）.
3. a kind of nut tap according to claim 1, it is characterised in that：The cylinder contains oil pocket（4）Side is connected with
Tilt oil dripping hole（12）.
4. a kind of nut tap according to claim 1, it is characterised in that：The screw thread cutting blade（7）In screw tap tooth bar（2）
Outside at column distribution, the screw thread cutting blades of adjacent two row（7）Between screw tap tooth bar（2）Side be equipped with chip pocket（13）.
5. a kind of nut tap according to claim 1, it is characterised in that：The anti-oil leakage device（10）Including being hinged on
Divide oil-hole groove（9）The sealing cover of bottom end（14）, the sealing cover（14）Right side pass through spring（15）With divide oil-hole groove（9）Side
Face connects, the sealing cover（14）Side post gasket（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054233.3U CN207735709U (en) | 2018-01-13 | 2018-01-13 | A kind of nut tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054233.3U CN207735709U (en) | 2018-01-13 | 2018-01-13 | A kind of nut tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207735709U true CN207735709U (en) | 2018-08-17 |
Family
ID=63122981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054233.3U Expired - Fee Related CN207735709U (en) | 2018-01-13 | 2018-01-13 | A kind of nut tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207735709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352099A (en) * | 2018-12-07 | 2019-02-19 | 西安交通大学 | A kind of screw tap with self-lubricating cooling structure |
| CN113977018A (en) * | 2021-12-28 | 2022-01-28 | 河南一工钻业有限公司 | Screw tap with self-lubricating cooling structure |
-
2018
- 2018-01-13 CN CN201820054233.3U patent/CN207735709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352099A (en) * | 2018-12-07 | 2019-02-19 | 西安交通大学 | A kind of screw tap with self-lubricating cooling structure |
| CN109352099B (en) * | 2018-12-07 | 2020-08-07 | 西安交通大学 | Screw tap with self-lubricating cooling structure |
| CN113977018A (en) * | 2021-12-28 | 2022-01-28 | 河南一工钻业有限公司 | Screw tap with self-lubricating cooling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20210113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |